[Sqlalchemy-commits] commit/sqlalchemy: zzzeek: - enhance ClauseAdapter / ColumnAdapter to have new behaviors with labels.

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1 new commit in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/7950270cf2b1/
Changeset:   7950270cf2b1
Branch:      ticket_3148
User:        zzzeek
Date:        2014-09-07 06:01:34
Summary:     - enhance ClauseAdapter / ColumnAdapter to have new behaviors with labels.
The "anonymize label" logic is now generalized to ClauseAdapter, and takes
place when the anonymize_labels flag is sent, taking effect for all
.columns lookups as well as within traverse() calls against the label
directly.
- traverse() will also memoize what it gets in columns, so that
calling upon traverse() / .columns against the same Label will
produce the same anonymized label.  This is so that AliasedClass
produces the same anonymized label when it is accessed per-column
(e.g. SomeAlias.some_column) as well as when it is applied to a Query,
and within column loader strategies (e.g. query(SomeAlias)); the
former uses traverse() while the latter uses .columns
- AliasedClass now calls onto ColumnAdapter
- Query also makes sure to use that same ColumnAdapter from the AliasedClass
in all cases
- update the logic from 0.9 in #1068 to make use of the same
_label_resolve_dict we use for #2992, simplifying how that works
and adding support for new scenarios that were pretty broken
(see #3148, #3188)

Affected #:  8 files

Repository URL: https://bitbucket.org/zzzeek/sqlalchemy/

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